CN105093528A - Display device - Google Patents
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- CN105093528A CN105093528A CN201510114589.2A CN201510114589A CN105093528A CN 105093528 A CN105093528 A CN 105093528A CN 201510114589 A CN201510114589 A CN 201510114589A CN 105093528 A CN105093528 A CN 105093528A
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- reflecting surface
- reverberator
- plane
- transmitting set
- optical transmitting
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- 230000003287 optical effect Effects 0.000 claims description 74
- 210000001747 pupil Anatomy 0.000 claims description 21
- 210000003128 head Anatomy 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 44
- 238000005520 cutting process Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004447 accommodation reflex Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- -1 organic EL Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 210000000162 simple eye Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/002—Arrays of reflective systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/02—Catoptric systems, e.g. image erecting and reversing system
- G02B17/023—Catoptric systems, e.g. image erecting and reversing system for extending or folding an optical path, e.g. delay lines
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/013—Head-up displays characterised by optical features comprising a combiner of particular shape, e.g. curvature
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
According to one embodiment, a display device includes a light emitter and a reflector. The light emitter emits light including image information. The reflector has a plurality of reflective surfaces arranged in a first direction. The reflective surfaces reflect a portion of the light. A length in a second direction of one of the reflective surfaces is longer than a length in the first direction of the one of the reflective surfaces. The second direction intersects the first direction. A first plane is tilted with respect to a second plane. The first plane includes an incident direction of the light at the reflector and a reflection direction of the light at the reflector. The second plane includes the first direction and the second direction. The second direction is tilted with respect to an intersection line between the first plane and the second plane.
Description
The cross reference of related application
The application based on and the right of priority of No. 2014-105255th, the Japanese patent application requiring on May 21st, 2014 to submit to, its full content is combined in herein by reference.
Technical field
The embodiments described herein relates generally to display device.
Background technology
Have a kind of display device, it comprise display image display unit, by use the multiple optical elements projection of such as lens etc. be shown the image shown by unit projector, by the light from projector projects towards the reverberator etc. of observer's eye reflections.This display device is used as the head-mounted display apparatus of such as head mounted display (HMD) etc.For example, the light path that is modified due to the design of display device of the position of image seen of observed person and changing.Therefore, image is had to be not easy situation about being observed.In this display device, the display that needs can be easily observed.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of diagram according to the display device of the first embodiment;
Fig. 2 is the schematic stereographic map of diagram reverberator;
Fig. 3 is the schematic diagram of diagram according to the display device of the first embodiment;
Fig. 4 is the schematic diagram of diagram according to the display device of the first embodiment;
Fig. 5 is the schematic diagram of diagram according to the display device of the first embodiment;
Fig. 6 A to Fig. 6 D is the schematic diagram of the operation of diagram display device;
Fig. 7 is the schematic stereographic map of the operation of diagram reverberator;
Fig. 8 A to Fig. 8 C is the schematic diagram of diagram according to the reverberator of the display device of the first embodiment;
Fig. 9 A and Fig. 9 B is the schematic diagram of diagram reverberator;
Figure 10 A and Figure 10 B is the schematic diagram of diagram reverberator;
Figure 11 A and Figure 11 B is the schematic diagram of diagram according to the display device of the second embodiment; And
Figure 12 is the schematic diagram of diagram according to the display device of embodiment.
Embodiment
According to an embodiment, display device comprises optical transmitting set and reverberator.Optical transmitting set sends the light comprising image information.Reverberator has the multiple reflectings surface arranged in a first direction.Multiple reflective surface light at least partially.The length in a second direction of a reflecting surface in multiple reflecting surface is longer than the reflecting surface of this in multiple reflecting surface length in a first direction.Second direction and first direction intersect.First plane is relative to the second planar tilt.First plane comprises the incident direction of light on reverberator and the reflection direction of light on reverberator.Second plane comprises first direction and second direction.Second direction tilts relative to the intersecting lens between the first plane and the second plane.
According to an embodiment, display device comprises optical transmitting set and reverberator.Optical transmitting set sends the light comprising image information.Reverberator comprises the multiple reflectings surface arranged in a first direction.Multiple reflective surface light at least partially.The length in a second direction of a reflecting surface in multiple reflecting surface is longer than the reflecting surface of this in multiple reflecting surface length in a first direction.Second direction is crossing with first direction.First plane is relative to the second planar tilt.First plane comprises position and the incident direction of light on reverberator of observer's pupil.Second plane comprises first direction and second direction.By advancing towards pupil position at least partially of the light of reflector reflects.
According to an embodiment, display comprises optical transmitting set and reverberator.Optical transmitting set sends the light comprising image information.Reverberator comprises the multiple reflectings surface arranged in a first direction.Multiple reflective surface light at least partially.The length in a second direction of a reflecting surface in multiple reflecting surface is longer than the reflecting surface of this in multiple reflecting surface length in a first direction.Second direction and first direction intersect.Optical transmitting set is kept by the retainer extended on third direction.Retainer regulates the arranged opposite of optical transmitting set and reverberator.First plane is relative to the second planar tilt.First plane is parallel to third direction and comprises the incident direction of light on reverberator.Second plane comprises first direction and second direction.The reflection direction of the light on reverberator is parallel to the first plane.
With reference to accompanying drawing, various embodiment is described hereinafter.
Accompanying drawing is schematic or conceptual, and the relation between the thickness of each several part and width, the sizes between each several part etc. do not need identical with its actual value.In addition, or even when diagram same section, the size between accompanying drawing and/or ratio may be different.
In the drawing and description of the application, the similar assembly described by above-mentioned accompanying drawing is marked with identical reference number, and detailed description depends on the circumstances and is omitted.
First embodiment
Fig. 1 is the schematic diagram of diagram according to the display device of the first embodiment.
As shown in Figure 1, display device 100 comprises optical transmitting set 115, reverberator 130, processing unit 140 and retainer 320.Optical transmitting set 115 is the projecting cells comprising display unit 110 and projector (optical unit 120).
Image information is imported into display unit 110 from processing unit 140.Display unit 110 is displays of display image.Display unit 110 comprises multiple pixel 110e.Multiple pixel 110e is arranged and arranges in the plane, and sends the light L1 comprising image information towards optical unit 120.Display comprises, such as, and liquid crystal, organic EL, liquid crystal on silicon etc.But embodiment is not limited to this.
The light path that optical unit 120 is arranged on the light L1 sent from multiple pixel 110e of display unit 110 between display unit 110 and reverberator 130.Optical unit 120 comprises at least one optical element.Optical unit 120 is projector of projection incident light L1.Optical element can comprise lens, prism, level crossing etc.For example, optical unit 120 changes the direct of travel at least partially of light L1.When multiple optical element is used, multiple optical element can not be arranged point-blank.Reverberator 130 is such as multiple mirror arrays (MMA).
Reverberator 130 reflecting the light L1 sent from optical transmitting set 115 towards the pupil 150 of observer 80 at least partially.When watching from pupil 150, defined the image 171 as the virtual image by the light that reverberator 130 reflects.Therefore, observer 80 can observe image.
In this example, image 171 is displayed on before observer 80 as the virtual image.But image can be presented at the far-end of pupil 150 by reverberator 130 as real image.Image can the edge that be displayed on the visual field of observer 180 similar to image 170.Therefore, the visual field of observer 80 is not obstructed.
Display unit 110, optical transmitting set 115 and reverberator 130 are kept device 320 and keep.The arranged opposite of position of retainer 320 accommodation reflex device 130 and pupil 150 and the arranged opposite of reverberator 130 and optical transmitting set 115.Retainer 320 is legs (temple) of such as spectacle-frame, and display device 100 can be fixed to the head of observer 80 by retainer 320.
When observer 80 wears display device, optical transmitting set 115 is preferably arranged on the inner side of framework.In other words, when display device 100 is used (wearing), optical transmitting set 115 is preferably arranged between observer 80 and retainer 320.Therefore, observer can use display device 100 as common spectacles, and discomfort can be lowered when using display device.
In this example, display device 100 comprises eyeglass 160 further.For example, reverberator 130 is comprised in eyeglass 160.
Eyeglass 160 has first surface 161 and second surface 162.Second surface 162 separates with first surface 161.Reverberator 130 is arranged between first surface 161 and second surface 162.
In this embodiment, reverberator 130 can be arranged between optical transmitting set 115 and eyeglass 160.In other words, reverberator 130 can be arranged on before the eyeglass 160 of observed person's observation.Reverberator 130 can be disposed in (such as, second surface 162) on the surface of eyeglass.
Shown in Fig. 1 is the eyes HMD of use two display device 100.The display of the right eye towards observer 80 image in display device, and another display device shows image towards left eye.Embodiment can be the simple eye HMD of use display device 100 towards an eyes display image.
Fig. 2 is the schematic stereographic map of diagram reverberator.
Reverberator 130 comprises multiple reflectings surface 133 at least partially of reflected light L1.For example, reflection horizon 132 is arranged on the interarea of substrate 131, and multiple reflecting surface 133 is arranged on reflection horizon 132.
Multiple reflecting surface 133 is multiple meticulous half-reflecting mirrors such as arranged in parallel.Each interarea relative to substrate 131 of multiple reflecting surface 133 tilts.Therefore, reflection angle can adjust.
For example, direction DLa is the incident direction of the first light L1 on reverberator 130.Direction DLb is the reflection direction of the first light L1 on reverberator 130.First plane 10 is the planes comprising incident direction DLa and reflection direction DLb.
Fig. 3 to Fig. 5 is the schematic diagram of diagram according to the display device of the first embodiment.
Here, it is X-direction that the direction that multiple reflecting surface 133 arranges is taken as.It is Y direction that a direction perpendicular to X-direction is taken as.Being taken as perpendicular to X-direction and perpendicular to the direction of Y direction is Z-direction.For example, Y direction corresponds to the direction forward of observer 80, and corresponds to the direction of reflection direction DLb or retainer 320 extension.X-direction corresponds to the left and right directions (horizontal direction) of observer 80, and Z-direction corresponds to the direction (vertical direction) upwards of observer 80.
Fig. 3 is the schematic diagram of X-Y plane; Fig. 4 is the schematic diagram of Y-Z plane; And Fig. 5 is the schematic diagram of X-Z plane.
Multiple reflecting surface 133 is arranged in a first direction (X-direction).For example, as shown in Figure 5, multiple reflecting surface 133 be the upper extension of second direction D2 that first direction D1 intersects at least partially.Multiple reflecting surface 133 there is edge Sa (side) at least partially that extend in a second direction d 2.In other words, the length on the second direction D2 of at least part of P1 of multiple reflecting surface 133 is longer than the length on the first direction D1 of at least part of P1 of multiple reflecting surface 133.
In this example, each of multiple reflecting surface 133 has the edge Sa linearly constructing extension in a second direction d 2.In this embodiment, the structure along the edge that second direction D2 extends can be the bending structure with gradient ramp.
Along the side (edge) of reflecting surface 133 between adjacent reflecting surface 133 fluted 35.In this example, groove 35 extends along second direction D2.Second plane 20 is the planes comprising first direction D1 and second direction D2.Each of multiple reflecting surface 133 tilts (not parallel) relative to the second plane 20.
For example, as shown in Figure 4, the first plane 10 comprises the position of pupil 150 and the plane of the incident direction DLa of light L1 on reverberator 130.In this example, the first plane 10 is the planes being arranged essentially parallel to the direction (third direction D3) that retainer 320 extends.For example, the first plane 10 is parallel to X-Y plane.
Although the retainer of Fig. 3 320 has the side of straight line extended configuration on third direction D3, this embodiment comprises the situation that there is progressive curve of retainer 320 equally.Convenience during by considering design feasibility and using, the structure of retainer 320 can by suitable amendment.Equally, this embodiment comprises the angle between retainer 320 and reverberator 130 is variable situation.Third direction D3 is the direction that retainer 320 extends when observer uses display device 100.
As shown in Figure 4, the first plane 10 tilts relative to the second plane 20.In other words, the first plane 10 and the second plane 20 intersect instead of are orthogonal to the second plane 20.For example, but the angle between the first plane 10 and the second plane 20 is not less than 70 degree is less than 90 degree.
Multiple reflecting surface 133 comprises the first reflecting surface 133a.First reflecting surface 133a comprises the first edge 31 and the second edge 32.Second edge 32 separates in a second direction d 2 with the first edge 31.Second plane 20 tilts so that the distance between the second edge 32 and optical transmitting set 115 is longer than the distance between the first edge 31 and optical transmitting set 115 in one direction relative to the first plane 10.
In other words, optical transmitting set 115 and the second edge 32 Y direction (or reflection direction DLb) distance than the first edge 31 and optical transmitting set 115 distance in the Y-axis direction long.
As shown in Figure 5, when being projected in Z-X plane, direction D2 tilts relative to X-direction and Z-direction.
For example, intersecting lens 15 is the intersecting lenses between the first plane 10 and the second plane 20.For example, intersecting lens 15 extends along X-direction.Second direction D2 tilts relative to intersecting lens 15, and namely, second direction D2 is crossing with intersecting lens 15 instead of be orthogonal to intersecting lens 15.
First edge 31 and optical transmitting set 115 are grown along the distance Ln2 between first direction D1 along the distance Ln1 between first direction D1 than the second edge 32 and optical transmitting set 115.
As mentioned above, in this embodiment, the second plane 20 is configured to tilt relative to the first plane 10.In other words, the reflecting surface of reverberator 130 is configured to tilt (Fig. 4) relative to vertical direction.In addition, the direction (second direction) that reflecting surface 133 extends is provided in the horizontal direction surface thereof (Fig. 5) of observer 80.According to the angle between the first plane 10 and the second plane 20, second direction D2 is determined.Therefore, as described below, the reflection direction DLb of light L1 can by suitable adjustment.
Fig. 6 A to Fig. 6 D is the schematic diagram of the operation of diagram display device.
Fig. 6 A shows the display device 191 of reference example; Fig. 6 B shows the display device 192 of reference example; Fig. 6 C shows the display device 193 of reference example; Fig. 6 D shows the display device 100 according to the first embodiment.
The display unit 110 of the display unit of the display device 191 to 193 of reference example, projector and reverberator and display device 100, optical unit 120 and reverberator 130 are similar.Compared to display device 100, for the display device 191 to 193 of reference example, the layout of reverberator or the layout of reflecting surface are different.
In the display device 191 shown in Fig. 6 A, reverberator 130p is set to be substantially perpendicular to X-Y plane.In other words, the plane of the incident direction and reflection direction that include light is substantially perpendicular to the interarea of reverberator 130p.
The direction that reflecting surface 133p extends does not favour the horizontal direction of observer 80.In other words, the direction that reflecting surface 133p extends is parallel to Z-direction and does not have the component of X-direction.
In this case, when being projected in Z-Y plane, the reflection direction of light is anti-parallel to incident direction, and advances on the direction of pupil 150.In this display device 191, relative easy of the design of light path.But the design as the display device of glasses type does not need to be limited, because the interarea of eyeglass (reverberator 130p) is arranged essentially parallel to Z-direction.From the angle of design being used as glasses, eyeglass needs to tilt about 5 to 15 degree relative to Z-direction.
In the display device 192 shown in Fig. 6 B, reverberator 130q is configured to tilt relative to X-Y plane.
The direction that reflecting surface 133q extends does not tilt relative to the horizontal direction of observer 80.The direction that reflecting surface 133q extends does not have the component of X-direction.
In this case, compared to display device 191, the designability as the display device of glasses type improves.On the other hand, when being projected in Y-Z plane, the reflection direction of light is the direction crossing with incident direction.The direct of travel of reflected light has component on the direction upwards of observer 80; And the image be shown observed by observer 80 is moved in an upward direction.When the inclination of reverberator 130q is very large, there is observer 80 can not observe the situation of a part for the image of display.
In the display device 193 shown in Fig. 6 C, reverberator 130r is configured to tilt relative to X-Y plane.
The direction that reflecting surface 133r extends does not tilt relative to the horizontal direction of observer 80.The direction that reflecting surface 133r extends does not have the component of X-direction.
In display device 193, optical unit 120r is configured to higher than the position of pupil 150.The position that optical unit 120r is set up is determined according to the inclination of reverberator 130r.When being projected in Y-Z plane, optical unit 120r is configured to so that the direct of travel of reflected light on reverberator 130r is on the direction of pupil 150.
In this case, observer 80 can observe the image of whole displays.But display device 193 width is in the Z-axis direction wider, because the position that optical unit 120r is set up is higher.Therefore, display device 193 becomes less desirable larger.
Shown in Fig. 6 D according in the display device 100 of this embodiment, reverberator 130 tilts relative to X-Y plane.
From the angle of observer 80, the direction (second direction D2) that reflecting surface 133 extends tilts in the inclined direction.In other words, the direction that reflecting surface 133 extends has the component of X-direction.
Therefore, for example, when being projected in Y-Z plane, the reflection direction of light is anti-parallel to incident direction, and advances on the direction of pupil 150.
Fig. 7 is the schematic stereographic map of the operation of diagram reverberator.
Fig. 7 shows incident direction DLa for the reflecting surface 133 of the display device 100 according to embodiment and reflection direction DLb.
As mentioned above, the second plane 20 comprising first direction D1 and second direction D2 tilts relative to X-Y plane.Second direction D2 has the component of X-direction.Therefore, by arranging reflecting surface 133, the normal direction D33 of reflecting surface 133 can favour vertical direction (Z-direction).In other words, normal direction D33 is set to the component with Z-direction.
When reverberator 130 is configured to tilt relative to X-Y plane, normal direction D33 tilts according to the inclination of reverberator 130.Therefore, when normal direction D33 does not favour vertical direction, reflection direction DLc can be corrected.For example, normal direction D33 tilts to offset the fluctuation of the light path that the inclination due to reverberator 130 causes.Therefore, reflection direction DLb can be set on the direction of pupil 150.
By will be arranged to according to the reverberator 130 in the display device of embodiment tilt, image can be displayed on before observer, ensure simultaneously design degree of freedom and the maximization of restraining device.The position that image is shown can be adjusted, and can provide display easily in sight.
Fig. 8 A to Fig. 8 C is the schematic diagram of diagram according to the reverberator of the display device of the first embodiment.
Fig. 8 A is the floor map of reverberator 130.Fig. 8 B is the schematic stereographic map of the part in the region fenced up with dot-and-dash line in display Fig. 8 A.Fig. 8 C is the schematic stereographic map of the part in the region fenced up with dot-and-dash line in display Fig. 8 B.
Angle θ A shown in Fig. 8 C is the angle between reflecting surface 133 and X-direction.Angle θ A is the inclination angle of reflecting surface 133 in the horizontal direction in (X-direction).Angle θ A determines according to the arrangement of optical unit 120 and MMA.
Angle θ B is the angle between reflecting surface 133 and Z-direction.Angle θ B is the inclination angle of reflecting surface 133 in the vertical direction in (Z-direction).Angle θ B is determined according to the inclination of MMA.
Angle θ C is the angle between first direction D1 and second direction D2.Angle θ C is the inclination angle of the groove 35 of MMA.Angle θ C is determined according to angle θ A and angle θ B.For example, θ C in angle meets formula (1) below.
θC＝atan(tan(θA)/tan(θB))(1)
Therefore, second direction D2 is determined according to the angle between the second plane 20 and Z-direction (or X-Y plane).In other words, according to the angle between the first plane 10 and the second plane 20, second direction D2 is determined.Second direction D2 is determined so that the advancing towards the position of pupil 150 at least partially of the light L1 that reflected by reverberator 130.
In the manufacture of reverberator 130, for example, the layer for the formation of reflection horizon 132 is pressed against on substrate 131 as shown in Figure 3.Reflecting surface 133 is obtained by the reflection layer of evaporation on layer.Subsequently, reverberator 130 is obtained by cutting figuratum main body with the structure mating glasses.By changing cutting direction in the process of cutting the structure to mate glasses, the inclination (second direction D2) of reflecting surface 133 can be adjusted in the manufacture of the reverberator 130 according to embodiment.So, the manufacture of productive loss is not had to be possible by relatively easy correction.
Fig. 9 A and Fig. 9 B is the schematic diagram of diagram reverberator.
Fig. 9 A shows the light path of reverberator 130 according to embodiment and light L1.Fig. 9 B shows the light path of reverberator 130b according to embodiment and light L1.
As shown in Figure 9 A, multiple reflecting surface 133 has, such as, and reflecting surface 133b (the 4th reflecting surface) and reflecting surface 133c (the 5th reflecting surface).Reflecting surface 133b is connected with reflecting surface 133c by the first side 134a.First side 134a is arranged essentially parallel to reflection direction DLb.
As mentioned above, reflecting surface 133 comprises, such as half-reflecting mirror.A part of half-reflecting mirror projection light L1, and reflect another part.
The part that light L1 incides on reflecting surface 133c is reflected by towards reflection direction DLb.Light L1 incides another part on reflecting surface 133c through reflecting surface 133c and is reflected towards reflection direction DLb by reflecting surface 133b.
In the reverberator 130b shown in Fig. 9 B, multiple reflecting surface 133 comprises reflecting surface 133e and reflecting surface 133d.Reflecting surface 133e is connected with reflecting surface 133d by side 134b.Side 134b is crossing with reflection direction DLb.A part through the light L1 of reflecting surface 133e is not incident on reflecting surface 133d.
In an embodiment, in reverberator 130A as illustrated in figure 9 a, side (the first side 134a) is preferably configured to be parallel to reflection direction DLb.Therefore, the part through the light of a reflecting surface is reflected towards reflection direction DLb by adjacent reflecting surface.
For example, reflected light arrives the region 135a in Fig. 9 A.On the other hand, reflected light does not arrive the region 135b in Fig. 9 B.By using the arrangement of the reverberator 130 of such as Fig. 9 A, can be increased the contributive light of display.
It is desirable to reflectance coating and do not form (such as, evaporation) on the first side 134a.For example, it is desirable to the first side 134a higher than the reflectivity of the first side 134a to light L1 for the transmissivity of light L1.Therefore, the light through reflecting surface 133c can be incident on reflecting surface 133b effectively.Light quantity can further increase.
Figure 10 A and Figure 10 B is the schematic diagram of diagram reverberator.
Can be considered that there is fresnel structure type according to the reverberator 130 of the first embodiment.
For example, the reverberator 130f be arranged in plane 17 is as shown in Figure 10 A considered.The reflecting surface 133f of reverberator 130f has planar configuration.Here, plane 17 is set up so that being reflected on the direction of pupil 150 at least partially of the light that sends from optical unit 120.
In addition, to consider and plane 16 that plane 17 is crossing.Plane 16 is such as along the plane of eyeglass.The reflecting surface 133f with planar configuration is subdivided into multiple the 136f along the direction being parallel to plane 16.In this example, reflecting surface 133f is subdivided along the dotted line of Figure 10 A.
As shown in Figure 10 B, multiple 136f are arranged in plane 16.Therefore, the reverberator 130 with the reflecting surface of inclination as above can be obtained.Can be considered that there is this fresnel structure type equally according to the reverberator 130 of the first embodiment.
Second embodiment
Figure 11 A and Figure 11 B is the schematic diagram of diagram according to the display device of the second embodiment.
Figure 11 B is the schematic stereographic map of display according to the reverberator 130d of the display device 101 of the second embodiment.Similar with the first embodiment, display unit 110, optical unit 120 etc. are arranged in display device 101 equally.
For example, the reverberator 130d of Figure 11 B obtains by the reverberator 130c shown in Figure 11 A is set to fresnel structure.The reflecting surface 133e of reverberator 130c is set up so that being reflected on the direction of pupil 150 at least partially of the light that sends from optical unit 120.
In the reverberator 130c of Figure 11 A, reflecting surface 133e has curvature.From the angle of optical unit 120, reflecting surface 133e has concave configuration.Therefore, reflecting surface 133e has diopter.The refracting power that diopter not only comprises optical system also comprises the refracting power of reflective optics.
The structure of the xsect of reflecting surface 133e is bending in the first plane 10 comprising incident direction DLa and reflection direction DLb.Reflecting surface 133e has diopter on the direction being parallel to the first plane 10.For example, from the angle of observer 80, diopter in the lateral direction.
Here, crossing with the reflecting surface 133e with concave configuration plane 16 is considered.Plane 16 is such as along the plane of eyeglass.Multiple 136e are being subdivided into along being parallel to reflecting surface 133e plane 16 direction with concave configuration.In this example, reflecting surface 133e is subdivided along the dotted line of Figure 11 A.For example, reflecting surface 133e is cut with fixed intervals on depth of field direction.But the interval of cutting can not be fixing interval.
As shown in Figure 11 B, multiple 136e are arranged in plane 16.Multiple 136e are used as multiple reflectings surface of reverberator 130d.In reverberator 130d, plane 16 is the planes (the second plane 20) comprising first direction D1 and second direction D2.
Multiple 136e are arranged in the first direction dl.For example, from the angle of optical unit 120, each of multiple 136e is concave surface.For example, multiple 136e the xsect of each be configured in comprise incident direction DLa and reflection direction DLb the first plane 10 on be bending.Therefore, the reverberator 130d with fresnel structure type is defined.Multiple 136e can have the structure of almost plane.
In the example that cutting on surface is performed with fixed intervals on depth of field direction, the distance between reflecting surface 136e and optical unit 120 reduces, and the width W e along first direction D1 of each of multiple reflecting surface 136e increases.
For example, as shown in Figure 11 B, multiple reflecting surface 136e comprises reflecting surface 133g (the second reflecting surface) and reflecting surface 133h (the 3rd reflecting surface).Distance between reflecting surface 133g and optical transmitting set 115 is longer than the distance between reflecting surface 133h and optical transmitting set 115.Reflecting surface 133h is wider along the width W eg of first direction than reflecting surface 133g along the width W eh of first direction.
Each of multiple reflecting surface 136e has the side (edge Sd) of intersecting with first direction D1.Edge Sd has bending structure.The direction in the second plane 20 extends for each of multiple reflecting surface 136e.Multiple reflecting surface 136e comprises the reflecting surface extended along the direction being different from second direction D2.In the example that cutting on surface is performed in depth of field direction is with fixed intervals, the reduction of the distance between reflecting surface 136e and optical unit 120, the angle between the direction that intersecting lens 15 and reflecting surface 136e extend reduces.Intersecting lens 15 is the intersecting lenses between the first plane 10 and the second plane 20.
For example, reflecting surface 133g extends in a second direction d 2.In other words, reflecting surface 133g has at least partially along the edge of second direction.Reflecting surface 133g is longer along the length of first direction D1 than reflecting surface 133g along the length of second direction D2.
The direction D4 (fourth direction) of reflecting surface 133h in the second plane 20 is upper to be extended.In other words, reflecting surface 133 has at least partially along the edge of direction D4.Reflecting surface 133h is longer along the length of first direction D1 than reflecting surface 133h along the length of direction D4.
Angle θ h between direction D4 and intersecting lens 15 is less than the angle θ g between second direction D2 and intersecting lens 15.
Be this Fresnel-type by reverberator, reverberator 130d can be thinner.Reverberator 130d (multiple (reflecting surface) 136e) has diopter on the direction being parallel to the first plane 10.
For example, the light sent from the pixel of display unit 110 to be arranged on the position display unit 110 in pixel to the optical path length of pupil 150 be different.There is the situation of the aberration occurred due to the difference of optical path length.By having dioptric reverberator 130c, aberration can be suppressed, and display easily in sight can be obtained.
Figure 12 is the schematic diagram of diagram according to the display device of embodiment.
Figure 12 shows the example of the system architecture of the display device according to embodiment.The example shown in Figure 12 is the example of the display device according to embodiment, and there is no need to match with actual module.
As shown in figure 12, processing unit 140 comprises, such as, interface 42, treatment circuit (processor) 43 and storer 44.
For example, processing unit 140 obtains image information by being connected to exterior storage medium and/or network via interface 42.Wired or wireless method can be used to outside connection.
For example, the program 45 processing the image information obtained is stored in storer 44.For example, therefore image information by suitable conversion, and performs suitable display by display unit 110 based on program 45.Image information can be stored in storer 44.The state that program 45 can be stored in advance in storer 44 is provided, and can be provided via the storage medium of network and/or such as CD-ROM etc., or can by suitable installation.
Processing unit 140 can comprise sensor 46.Sensor 46 can comprise, for example, and the such as arbitrary sensor of camera, microphone, position transducer, acceleration transducer etc.For example, based on the information obtained from sensor 46, the image shown by display unit 110 can by suitable amendment.Therefore, the viewing of display device convenience and easily can improve.
For example, image information, processes from information that sensor 46 obtains etc. according to program 45 circuit 43 that is processed.
Therefore, the image information of acquisition is imported into display unit 110 from processing unit 140, and performs display by display device.
Each block of processing unit 140 or a part for each monoblock can comprise such as large scale integrated circuit (LSI) etc., or integrated circuit (IC) chipset.Each block can comprise independent circuit, or can use the circuit wherein incorporating some or all of blocks.Block can be provided as single main body, or some blocks can be independent is provided.Equally, for each block, a part for block can be provided by independent.Integration is not limited to LSI, and special circuit or universal circuit can be used.
According to embodiment, easily observed display device can be provided.
In the instructions of the application, " vertically " and " parallel " not only comprise absolute vertical with absolute parallel, and also comprising such as, due to the fluctuation etc. that manufacture process causes, and is basic vertical and substantially parallel fully.
Hereinbefore, by reference to the embodiments of the invention that concrete example describes.But embodiments of the invention are not limited to these concrete examples.For example, those skilled in the art pass through selection suitable from prior art such as, display unit, reverberator, optical unit, processing unit, retainer, the concrete structure of the assemblies such as eyeglass, enforcement the present invention that can be similar, and this enforcement is within the scope of the invention, with regard to this point, similar effect can be obtained.
In addition, within the degree of technical feasibility, any two or more assembly of concrete example can be combined, and be included in the scope of the present invention, and with regard to this point, purport of the present invention is included.
In addition, based on the above-mentioned display device as the embodiment of the present invention, all display device can implemented by the Change In Design that those skilled in the art are suitable are within the scope of the invention equally, and with regard to this point, spirit of the present invention is included.
Those skilled in the art can expect in spirit of the present invention various other change and amendment, and be appreciated that this change and amendment be included in the scope of the present invention equally.
Although describe some embodiment, these embodiments present only by the mode of citing, and are not want to limit scope of the present invention.In fact, the embodiment of novelty as described herein can other form various be specific, and in addition, when not exceeding spirit of the present invention, the form of the embodiments described herein can make various omission, replaces and change.Additional claim and coordinator thereof are intended to cover this form or amendment that belong to scope and spirit of the present invention.
Claims (20)
1. a display device, is characterized in that, comprising:
Optical transmitting set, described optical transmitting set sends the light comprising image information; And
Reverberator, described reverberator has the multiple reflectings surface arranged in a first direction, and described in described reflective surface, light is at least partially;
The length in a second direction of a reflecting surface in described reflecting surface is longer than the described reflecting surface length in said first direction in described reflecting surface, and described second direction is crossing with described first direction;
First plane is relative to the second planar tilt, and described first plane comprises the incident direction of described light on described reverberator and the reflection direction of described light on described reverberator, and described second plane comprises described first direction and described second direction;
Described second direction tilts relative to the intersecting lens between described first plane and described second plane.
2. device as claimed in claim 1, is characterized in that, being advanced towards observation by the pupil position of the observer of the image of described photogenerated at least partially by the described light of described reflector reflects.
3. device as claimed in claim 2, is characterized in that, comprise the retainer keeping described optical transmitting set further,
Described retainer regulates the arranged opposite of described pupil position and described reverberator, and regulates the arranged opposite of described reverberator and described optical transmitting set.
4. device as claimed in claim 3, it is characterized in that, described device is installed on the head of described observer by described retainer, and
When being installed, described optical transmitting set is arranged between described head and described retainer.
5. device as claimed in claim 2, it is characterized in that, comprise retainer further, described retainer keeps described optical transmitting set and extends on third direction,
Described retainer regulates the arranged opposite of described pupil position and described reverberator, and regulates the arranged opposite of described reverberator and described optical transmitting set,
Described first plane is parallel to described third direction.
6. device as claimed in claim 1, it is characterized in that, the described reflecting surface in described reflecting surface has the side extended in this second direction.
7. device as claimed in claim 1, is characterized in that,
Described reflecting surface has the first reflecting surface,
Described first reflecting surface has the first edge, and the second edge separated with described first edge in this second direction,
Longer than the distance along described first direction between described second edge and described optical transmitting set along the distance of described first direction between described first edge and described optical transmitting set, and
Described second plane, relative to described first planar tilt, makes the distance between described second edge and described optical transmitting set longer than the distance between described first edge and described optical transmitting set.
8. device as claimed in claim 1, it is characterized in that, the angle between described first plane and described second plane is not less than 70 degree but is less than 90 degree.
9. device as claimed in claim 1, is characterized in that, each reflecting surface of described reflecting surface has in this second direction with the edge that linear structure extends.
10. device as claimed in claim 1, it is characterized in that, each reflecting surface of described reflecting surface has the edge of the curved configuration crossing with described first direction.
11. devices as claimed in claim 1, it is characterized in that, described reverberator has diopter in the direction of described first plane.
12. devices as claimed in claim 1, is characterized in that,
Described reflecting surface has the second reflecting surface and the 3rd reflecting surface,
Distance between described second reflecting surface and described optical transmitting set is longer than the distance between described 3rd reflecting surface and described optical transmitting set, and
Described 3rd reflecting surface is wider along the width of described first direction than described second reflecting surface along the width of described first direction.
13. devices as claimed in claim 1, it is characterized in that, each reflecting surface of described reflecting surface is concave surface.
14. devices as claimed in claim 1, is characterized in that, described reflecting surface has the second reflecting surface and the 3rd reflecting surface,
Described second reflecting surface has edge, extending in this second direction at least partially of described edge;
Described 3rd reflecting surface has edge, extending in fourth direction at least partially of described edge;
Distance between described second reflecting surface and described optical transmitting set is longer than the distance between described 3rd reflecting surface and described optical transmitting set, and
Angle between the intersecting lens of described fourth direction and described first plane and described second plane is less than the angle between described second direction and described intersecting lens.
15. devices as claimed in claim 1, is characterized in that,
Described reflecting surface has the 4th reflecting surface and the 5th reflecting surface,
Described reverberator has the first side further, and described 4th reflecting surface is connected to described 5th reflecting surface by described first side, and
Described first side is parallel to described reflection direction.
16. devices as claimed in claim 15, is characterized in that, described first side for the transmissivity of described light higher than described first side for described light reflectance.
17. devices as claimed in claim 1, is characterized in that, comprise eyeglass further,
Described reverberator is arranged between described optical transmitting set and described eyeglass.
18. devices as claimed in claim 1, it is characterized in that, comprise the eyeglass with first surface and second surface further, described second surface separates with described first surface,
Described reverberator is arranged on described second surface.
19. 1 kinds of display device, is characterized in that, comprising:
Optical transmitting set, described optical transmitting set sends the light comprising image information; And
Reverberator, described reverberator has the multiple reflectings surface arranged in a first direction, and described in described reflective surface, light is at least partially;
The length in a second direction of a reflecting surface in described reflecting surface is longer than the described reflecting surface length in said first direction in described reflecting surface, and described second direction is crossing with described first direction;
First plane is relative to the second planar tilt, and described first plane comprises pupil position and the incident direction of described light on described reverberator of observer, and described second plane comprises described first direction and described second direction;
By carrying out towards described pupil position at least partially of the described light of described reflector reflects.
20. 1 kinds of display device, is characterized in that, comprising:
Optical transmitting set, described optical transmitting set sends the light comprising image information; And
Reverberator, described reverberator has the multiple reflectings surface arranged in a first direction, and described in described reflective surface, light is at least partially;
The length in a second direction of a reflecting surface in described reflecting surface is longer than the described reflecting surface length in said first direction in described reflecting surface, and described second direction is crossing with described first direction;
Described optical transmitting set is kept by the retainer extended on third direction;
Described retainer regulates the arranged opposite of described optical transmitting set and described reverberator;
First plane is relative to the second planar tilt, and described first plane is parallel to described third direction, and comprises the incident direction of described light on described reverberator, and described second plane comprises described first direction and described second direction;
The reflection direction of described light on described reverberator is parallel to described first plane.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-105255 | 2014-05-21 | ||
| JP2014105255A JP6096713B2 (en) | 2014-05-21 | 2014-05-21 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105093528A true CN105093528A (en) | 2015-11-25 |
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ID=52813897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510114589.2A Withdrawn CN105093528A (en) | 2014-05-21 | 2015-03-16 | Display device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20150338655A1 (en) |
| EP (1) | EP2947493A1 (en) |
| JP (1) | JP6096713B2 (en) |
| CN (1) | CN105093528A (en) |
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| CN108873333A (en) * | 2018-05-24 | 2018-11-23 | 成都理想境界科技有限公司 | A kind of display module apparatus for adjusting position and display equipment |
| CN109946840A (en) * | 2017-12-20 | 2019-06-28 | 精工爱普生株式会社 | Display device |
| CN110161688A (en) * | 2018-02-12 | 2019-08-23 | 杭州太若科技有限公司 | Correction of refractive errors AR display device and wearable AR equipment |
| CN112639574A (en) * | 2018-09-09 | 2021-04-09 | 鲁姆斯有限公司 | Optical system comprising a light-guiding optical element with a two-dimensional extension |
| CN114690295A (en) * | 2022-02-25 | 2022-07-01 | 中国科学院西安光学精密机械研究所 | Micro-optical reflection structure and hidden embedded type perspective near-to-eye display optical glasses |
| TWI778407B (en) * | 2019-09-26 | 2022-09-21 | 奇景光電股份有限公司 | Head-mounted display |
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- 2015-03-12 US US14/645,564 patent/US20150338655A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110161688A (en) * | 2018-02-12 | 2019-08-23 | 杭州太若科技有限公司 | Correction of refractive errors AR display device and wearable AR equipment |
| CN108873333A (en) * | 2018-05-24 | 2018-11-23 | 成都理想境界科技有限公司 | A kind of display module apparatus for adjusting position and display equipment |
| CN112639574A (en) * | 2018-09-09 | 2021-04-09 | 鲁姆斯有限公司 | Optical system comprising a light-guiding optical element with a two-dimensional extension |
| TWI778407B (en) * | 2019-09-26 | 2022-09-21 | 奇景光電股份有限公司 | Head-mounted display |
| CN114690295A (en) * | 2022-02-25 | 2022-07-01 | 中国科学院西安光学精密机械研究所 | Micro-optical reflection structure and hidden embedded type perspective near-to-eye display optical glasses |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2947493A1 (en) | 2015-11-25 |
| JP6096713B2 (en) | 2017-03-15 |
| JP2015219490A (en) | 2015-12-07 |
| US20150338655A1 (en) | 2015-11-26 |
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Application publication date: 20151125 |